JDK 8 Updates: Push Approval Request Template

Push requests for the regular JDK 8 Update Project forests (jdk8u-dev) MUST be sent to the jdk8u-dev@openjdk.java.net mailing list and SHOULD follow this template:

Subject: [8u$N] Request for approval for CR $NR - $Synopsis

With the body containing:

Note that post Rampdown Phase 2 pushes to a release require extra levels of approvals. Developers need to request a phase 2 approval in such cases.